Vanity — singer and Prince protégé — dies at 57

Vanity, the lead singer of Vanity 6 and Prince protégé, whose real name was Denise Katrina Matthews, has died. She was 57, TMZ reports. The pop singer rose to prominence in the early 1980s with the hit “Nasty Girl,” which was produced and written by Prince, though he gave Matthews the writing credit. Matthews toured with…